CNC Machine ToolsChina 4 Axis CNC Drilling Tapping Center Milling Machine with 20000rpm Bt30 Spindle for Aluminum Brass Metal Processing (VMC640/T6), Find details about China CNC Drilling Tapping Machine, CNC Tapping Center from 4 Axis CNC Drilling Tapping Center Milling Machine with 20000rpm Bt30 Spindle for Aluminum Brass Metal Processing (VMC640/T6)